17981676

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 52039680

約数和(自身を除く): 34058004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 46, 54, 57, 69, 76, 81, 92, 108, 114, 127, 138, 162, 171, 207, 228, 254, 276, 324, 342, 381, 414, 437, 508, 513, 621, 684, 762, 828, 874, 1026, 1143, 1242, 1311, 1524, 1539, 1748, 1863, 2052, 2286, 2413, 2484, 2622, 2921, 3078, 3429, 3726, 3933, 4572, 4826, 5244, 5842, 6156, 6858, 7239, 7452, 7866, 8763, 9652, 10287, 11684, 11799, 13716, 14478, 15732, 17526, 20574, 21717, 23598, 26289, 28956, 35052, 35397, 41148, 43434, 47196, 52578, 55499, 65151, 70794, 78867, 86868, 105156, 110998, 130302, 141588, 157734, 166497, 195453, 221996, 236601, 260604, 315468, 332994, 390906, 473202, 499491, 665988, 781812, 946404, 998982, 1498473, 1997964, 2996946, 4495419, 5993892, 8990838, 17981676]

約数ペア:

[(1, 17981676), (2, 8990838), (3, 5993892), (4, 4495419), (6, 2996946), (9, 1997964), (12, 1498473), (18, 998982), (19, 946404), (23, 781812), (27, 665988), (36, 499491), (38, 473202), (46, 390906), (54, 332994), (57, 315468), (69, 260604), (76, 236601), (81, 221996), (92, 195453), (108, 166497), (114, 157734), (127, 141588), (138, 130302), (162, 110998), (171, 105156), (207, 86868), (228, 78867), (254, 70794), (276, 65151), (324, 55499), (342, 52578), (381, 47196), (414, 43434), (437, 41148), (508, 35397), (513, 35052), (621, 28956), (684, 26289), (762, 23598), (828, 21717), (874, 20574), (1026, 17526), (1143, 15732), (1242, 14478), (1311, 13716), (1524, 11799), (1539, 11684), (1748, 10287), (1863, 9652), (2052, 8763), (2286, 7866), (2413, 7452), (2484, 7239), (2622, 6858), (2921, 6156), (3078, 5842), (3429, 5244), (3726, 4826), (3933, 4572)]